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Dell EMC SmartFabric OS10 User Guide Release 10.5.0

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ip ospf bfd all-neighbors

Enables and configures the default BFD parameters for all OSPFv2 neighbors in this interface.

Syntax
ip ospf bfd all-neighbors [disable|[interval millisec min_rx min_rx multiplier role {active | passive}]]
Parameters
  • disable — Disables the BFD session on an interface alone.
  • interval milliseconds — Enter the time interval for sending control packets to BFD peers, from 100 to 1000. Dell EMC recommends using more than 100 milliseconds.
  • min_rx milliseconds — Enter the maximum waiting time for receiving control packets from BFD peers, from 100 to 1000. Dell EMC recommends using more than 100 milliseconds.
  • multiplier number — Enter the maximum number of consecutive packets that must not be received from a BFD peer before the session state changes to Down, from 3 to 50.
  • role {active | passive} — Enter active if the router initiates BFD sessions. Both BFD peers can be active at the same time. Enter passive if the router does not initiate BFD sessions, and only responds to a request from an active BFD to initialize a session.
Default

The time interval for sending control packets to BFD peers is 200 milliseconds.

The maximum waiting time for receiving control packets from BFD peers is 200 milliseconds.

The number of consecutive packets that must be received from a BFD peer is 3.

The BFD role is active

Command Mode
CONFIG-INTERFACE
Usage Information
  • This command can be used to enable or disable BFD for an interface associated with OSPFv2. Interface level BFD configuration takes precedent over the OSPF global level BFD configuration. If there is no BFD configuration present at the interface level global OSPF BFD configuration will be inherited.
Example
(conf-if-eth1/1/1)#ip ospf bfd all-neighbors
Supported releases
10.4.2E or later

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